Metal detectors play a critical part in the security industry. They can identify metal things – like knives and firearms – and even narcotics wrapped in aluminum foil. Today, walkthrough (WTMD) metal detectors are used extensively by private guards for improving security. Lightbars on the sides of gantry-style detectors glow when someone tries to pass a metal object. When the professional security guards in Santa Monica remove metal detectors from the examined item, the hand… Continue reading Why do professional security guards in Santa Monica use metal detectors for improving security?